Authors: Gesicki, K Zijlstra, AA

Citation: K. Gesicki et Aa. Zijlstra, Expansion velocities and dynamical ages of planetary nebulae, ASTRON ASTR, 358(3), 2000, pp. 1058-1068

Authors: Neiner, C Acker, A Gesicki, K Szczerba, R

Citation: C. Neiner et al., Modeling emission lines of 8 northern planetary nebulae, ASTRON ASTR, 358(1), 2000, pp. 321-331